class_docstr: dataset Augmentation for SiamRPN tracking.
  
  Parameters
  ----------
  shift : int
      length of template augmentation shift
  scale : float
      template augmentation scale ratio
  blur : float
      template augmentation blur ratio
  flip : float
      template augmentation flip ratio
  color : float
      template augmentation color ratio
class_docstr_tok: ["dataset","Augmentation","for","SiamRPN","tracking",".","Parameters","--","--","--","--","--","shift",":","int","length","of","template","augmentation","shift","scale",":","float","template","augmentation","scale","ratio","blur",":","float","template","augmentation","blur","ratio","flip",":","float","template","augmentation","flip","ratio","color",":","float","template","augmentation","color","ratio"]
docstr: flip augmentation
  
  Parameters
  ----------
  image : np.array
      image
  bbox : list or np.array
      bbox
  
  Return
      image and bbox after filp
docstr_tok: ["flip","augmentation","Parameters","--","--","--","--","--","image",":","np.array","image","bbox",":","list","or","np.array","bbox","Return","image","and","bbox","after","filp"]
code: def _flip_aug(self, image, bbox):
      """flip augmentation
  
      Parameters
      ----------
      image : np.array
          image
      bbox : list or np.array
          bbox
  
      Return
          image and bbox after filp
      """
      image = self.cv2.flip(image, 1)
      width = image.shape[1]
      bbox = Corner(
          width - 1 - bbox.x2, bbox.y1, width - 1 - bbox.x1, bbox.y2
      )
      return image, bbox
  
file_path: gluon-cv/gluoncv/data/transforms/track.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import numpy
  from gluoncv.utils.filesystem import try_import_cv2
  from gluoncv.model_zoo.siamrpn.siamrpn_tracker import corner2center, center2corner
  from gluoncv.model_zoo.siamrpn.siamrpn_tracker import Center, Corner
label_desc: Use image node_id 8 for calling the SiamRPNaugmentation obj's underlying member method code with example usage: obj._flip_aug(image, bbox) and returns: image,  bbox